| Edward Mann Langley, W. Seys Phillips - 1890 - 538 pages
...enclosed by one or more boundaries. A figure contained by three Straight lines is called a triangle. 15. **A circle is a plane figure contained by one line,...within the figure to the circumference are equal.** 16. This point is called the centre of the circle, and the straight line drawn from the centre to the... | |
| Euclid - Geometry - 1892 - 460 pages
...Book III. deals with the properties of Circles. DEFINITIONS. 1 . A circle is a plane figure bounded **by one line, which is called the circumference, and...figure to the circumference are equal to one another:** this point is called the centre of the circle. 2. A radius of a circle is a straight line drawn from... | |
| Mines and mineral resources - 1894 - 330 pages
...all its sides equal, and its angles equal. rig. IB. A Circle is a plane figure contained or bounded **by one line which is called the circumference, and is such that all straight lines** from a certain point within the figure to the circumference are equal to one another. This point is... | |
| Thomas Aloysius O'Donahue - Mine surveying - 1896 - 186 pages
...which has all its sides equal, and its angles equal. A circle is a plane figure contained or bounded **by one line, which is called the circumference, and is such that all straight lines** from a certain point within the figure to the circumference are equal to one another. This point is... | |
| Andrew Jamieson - Steam - 1897 - 362 pages
...CIRCLE is a plane figure bounded by one line, which is called the circumference ; and is such, t/tat **all straight lines drawn from, a certain point within...figure to the circumference are equal to one another.** This point is called tlie centre of the circle. A DIAMETER of a circle is a straight line drawn through... | |
| Seymour Eaton - 1899 - 362 pages
...the triangle is said to be equilateral. 5. A circle is a plane (flat) figure contained by one line **called the circumference, and is such that all straight...within the figure to the circumference are equal.** This point is called the center of the circle. 6. The radius of a circle is any straight line drawn... | |
| John Thornton - Physical geography - 1899 - 460 pages
...from a plane. The intersection of two planes is a straight line. A circle is a plane figure bounded **by one line, which is called the circumference, and is such that all straight lines drawn from** its centre (radii) to the circumference are equal. A sphere, or globe, is a round body bounded by a... | |
| Euclid, Henry Sinclair Hall, Frederick Haller Stevens - Euclid's Elements - 1900 - 330 pages
...figure. Two figures are said to be equal in area when they enclose equal portions of a plane surface. 15. **A circle is a plane figure contained by one line,...figure to the circumference are equal to one another;** this point is called the centre of the circle. 16. A radius of a circle is a straight line drawn from... | |
| 1901 - 530 pages
...before expanding. Circle is a plane figure contained by one Hue, which is tailed the rircumferenrt, **and is such that all straight lines drawn from a certain point** (the centre) within the figure to the circumference are equal to one another. The properties of the... | |
| G. F. Burn - Geometry - 1903 - 272 pages
...its sides. The periphery is the boundary line of a circle or curved figure. Adjacent means adjoining. **A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another.** And this point is called the centre of the circle. In Practical Geometry, the circumference of a circle... | |
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